Home / 20,620,374.60-30,922,688.70-6,238,662.60

Finding the Fourth Proportional to 20,620,374.60, 30,922,688.70 and 6,238,662.60

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Solution

The fourth proportional to 20,620,374.60, 30,922,688.70 and 6,238,662.60 is: 9,355,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620,374.60 : 30,922,688.70 = 6,238,662.60 : x
  2. Step 2: Convert to fraction form
    20,620,374.60/30,922,688.70 = 6,238,662.60/x
  3. Step 3: Cross multiply
    20,620,374.60x = 30,922,688.70 × 6,238,662.60
  4. Step 4: Simplify right side
    20,620,374.60x = 192,916,221,484,132.59
  5. Step 5: Solve for x
    x = 192,916,221,484,132.59/20,620,374.60
  6. Step 6: Final answer
    x = 9,355,611.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.